1. the act or process of making something widely known, liked, or understood by the general public
Usage: British spelling; American English typically uses 'popularization'; often used in contexts of media, culture, science, and ideas
2. the process of making something accessible or appealing to ordinary people rather than specialists or elites
Usage: often implies simplification or adaptation for a mass audience

Examples

• The popularisation of smartphones has transformed how people communicate.
• Science fiction played a key role in the popularisation of space exploration.
• Social media has accelerated the popularisation of new trends and ideas.
• The museum's goal is the popularisation of art among young audiences.
• The popularisation of yoga in the West began in the mid-20th century.
• Critics argue that the popularisation of complex theories often leads to oversimplification.